b-d-Lawson combines barycentric rational representation with a dual optimization framework to solve interpolation-constrained rational minimax approximation via Lawson's iteration.
Beckermann, The condition number of real Vandermonde, Kr ylov and positive definite Hankel matrices, Numer
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Interpolation constrained rational minimax approximation with barycentric representation
b-d-Lawson combines barycentric rational representation with a dual optimization framework to solve interpolation-constrained rational minimax approximation via Lawson's iteration.